WPT
wpt / css / css-masking / animations / mask-position-interpolation.html
Spec: CSS Masking ↗
Runs: Chrome 155.0.8041.0 (wpt@4a01b83e3, 2026-09-04) | Firefox 157.0a1 (wpt@e7122b73f, 2026-09-04) | Safari 251 preview (wpt@2c385f65e, 2026-09-04) | Ladybird 1.0-70fb3 (wpt@4a01b83e3, 2026-09-04) | Servo Servo 0.6 (wpt@7e3d005d7, 2026-09-03) | Blitz a50cb8971 (wpt@a95401e4e, 2026-09-03)
View on the Blitz WPT dashboard | Open test on wpt.live | wpt.fyi
| Chrome | Firefox | Safari | Ladybird | Servo | Blitz | |
|---|---|---|---|---|---|---|
| Total | 196/196 | 196/196 | 196/196 | 196/196 | 0/196 | 147/196 |
| Subtest | Chrome | Firefox | Safari | Ladybird | Servo | Blitz |
|---|---|---|---|---|---|---|
| CSS Transitions: property <mask-position> from neutral to [20px 20px] at (-0.25) should be [7.5px 32.5px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Transitions: property <mask-position> from neutral to [20px 20px] at (0) should be [10px 30px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Transitions: property <mask-position> from neutral to [20px 20px] at (0.25) should be [12.5px 27.5px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Transitions: property <mask-position> from neutral to [20px 20px] at (0.5) should be [15px 25px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Transitions: property <mask-position> from neutral to [20px 20px] at (0.75) should be [17.5px 22.5px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Transitions: property <mask-position> from neutral to [20px 20px] at (1) should be [20px 20px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Transitions: property <mask-position> from neutral to [20px 20px] at (1.25) should be [22.5px 17.5px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Transitions with transition: all: property <mask-position> from neutral to [20px 20px] at (-0.25) should be [7.5px 32.5px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Transitions with transition: all: property <mask-position> from neutral to [20px 20px] at (0) should be [10px 30px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Transitions with transition: all: property <mask-position> from neutral to [20px 20px] at (0.25) should be [12.5px 27.5px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Transitions with transition: all: property <mask-position> from neutral to [20px 20px] at (0.5) should be [15px 25px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Transitions with transition: all: property <mask-position> from neutral to [20px 20px] at (0.75) should be [17.5px 22.5px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Transitions with transition: all: property <mask-position> from neutral to [20px 20px] at (1) should be [20px 20px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Transitions with transition: all: property <mask-position> from neutral to [20px 20px] at (1.25) should be [22.5px 17.5px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Animations: property <mask-position> from neutral to [20px 20px] at (-0.25) should be [7.5px 32.5px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Animations: property <mask-position> from neutral to [20px 20px] at (0) should be [10px 30px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Animations: property <mask-position> from neutral to [20px 20px] at (0.25) should be [12.5px 27.5px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Animations: property <mask-position> from neutral to [20px 20px] at (0.5) should be [15px 25px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Animations: property <mask-position> from neutral to [20px 20px] at (0.75) should be [17.5px 22.5px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Animations: property <mask-position> from neutral to [20px 20px] at (1) should be [20px 20px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Animations: property <mask-position> from neutral to [20px 20px] at (1.25) should be [22.5px 17.5px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| Web Animations: property <mask-position> from neutral to [20px 20px] at (-0.25) should be [7.5px 32.5px] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| Web Animations: property <mask-position> from neutral to [20px 20px] at (0) should be [10px 30px] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| Web Animations: property <mask-position> from neutral to [20px 20px] at (0.25) should be [12.5px 27.5px] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| Web Animations: property <mask-position> from neutral to [20px 20px] at (0.5) should be [15px 25px] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| Web Animations: property <mask-position> from neutral to [20px 20px] at (0.75) should be [17.5px 22.5px] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| Web Animations: property <mask-position> from neutral to [20px 20px] at (1) should be [20px 20px] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| Web Animations: property <mask-position> from neutral to [20px 20px] at (1.25) should be [22.5px 17.5px] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| CSS Transitions: property <mask-position> from [initial] to [20px 20px] at (-0.25) should be [calc(0% - 5px) calc(0% - 5px)] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Transitions: property <mask-position> from [initial] to [20px 20px] at (0) should be [0% 0%] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Transitions: property <mask-position> from [initial] to [20px 20px] at (0.25) should be [calc(0% + 5px) calc(0% + 5px)] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Transitions: property <mask-position> from [initial] to [20px 20px] at (0.5) should be [calc(0% + 10px) calc(0% + 10px)] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Transitions: property <mask-position> from [initial] to [20px 20px] at (0.75) should be [calc(0% + 15px) calc(0% + 15px)] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Transitions: property <mask-position> from [initial] to [20px 20px] at (1) should be [calc(0% + 20px) calc(0% + 20px)] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Transitions: property <mask-position> from [initial] to [20px 20px] at (1.25) should be [calc(0% + 25px) calc(0% + 25px)] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Transitions with transition: all: property <mask-position> from [initial] to [20px 20px] at (-0.25) should be [calc(0% - 5px) calc(0% - 5px)] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Transitions with transition: all: property <mask-position> from [initial] to [20px 20px] at (0) should be [0% 0%] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Transitions with transition: all: property <mask-position> from [initial] to [20px 20px] at (0.25) should be [calc(0% + 5px) calc(0% + 5px)] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Transitions with transition: all: property <mask-position> from [initial] to [20px 20px] at (0.5) should be [calc(0% + 10px) calc(0% + 10px)] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Transitions with transition: all: property <mask-position> from [initial] to [20px 20px] at (0.75) should be [calc(0% + 15px) calc(0% + 15px)] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Transitions with transition: all: property <mask-position> from [initial] to [20px 20px] at (1) should be [calc(0% + 20px) calc(0% + 20px)] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Transitions with transition: all: property <mask-position> from [initial] to [20px 20px] at (1.25) should be [calc(0% + 25px) calc(0% + 25px)] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Animations: property <mask-position> from [initial] to [20px 20px] at (-0.25) should be [calc(0% - 5px) calc(0% - 5px)] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Animations: property <mask-position> from [initial] to [20px 20px] at (0) should be [0% 0%] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Animations: property <mask-position> from [initial] to [20px 20px] at (0.25) should be [calc(0% + 5px) calc(0% + 5px)] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Animations: property <mask-position> from [initial] to [20px 20px] at (0.5) should be [calc(0% + 10px) calc(0% + 10px)] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Animations: property <mask-position> from [initial] to [20px 20px] at (0.75) should be [calc(0% + 15px) calc(0% + 15px)] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Animations: property <mask-position> from [initial] to [20px 20px] at (1) should be [calc(0% + 20px) calc(0% + 20px)] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Animations: property <mask-position> from [initial] to [20px 20px] at (1.25) should be [calc(0% + 25px) calc(0% + 25px)] | PASS | PASS | PASS | PASS | FAIL | PASS |
| Web Animations: property <mask-position> from [initial] to [20px 20px] at (-0.25) should be [calc(0% - 5px) calc(0% - 5px)] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| Web Animations: property <mask-position> from [initial] to [20px 20px] at (0) should be [0% 0%] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| Web Animations: property <mask-position> from [initial] to [20px 20px] at (0.25) should be [calc(0% + 5px) calc(0% + 5px)] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| Web Animations: property <mask-position> from [initial] to [20px 20px] at (0.5) should be [calc(0% + 10px) calc(0% + 10px)] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| Web Animations: property <mask-position> from [initial] to [20px 20px] at (0.75) should be [calc(0% + 15px) calc(0% + 15px)] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| Web Animations: property <mask-position> from [initial] to [20px 20px] at (1) should be [calc(0% + 20px) calc(0% + 20px)] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| Web Animations: property <mask-position> from [initial] to [20px 20px] at (1.25) should be [calc(0% + 25px) calc(0% + 25px)] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| CSS Transitions: property <mask-position> from [inherit] to [20px 20px] at (-0.25) should be [32.5px 7.5px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Transitions: property <mask-position> from [inherit] to [20px 20px] at (0) should be [30px 10px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Transitions: property <mask-position> from [inherit] to [20px 20px] at (0.25) should be [27.5px 12.5px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Transitions: property <mask-position> from [inherit] to [20px 20px] at (0.5) should be [25px 15px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Transitions: property <mask-position> from [inherit] to [20px 20px] at (0.75) should be [22.5px 17.5px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Transitions: property <mask-position> from [inherit] to [20px 20px] at (1) should be [20px 20px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Transitions: property <mask-position> from [inherit] to [20px 20px] at (1.25) should be [17.5px 22.5px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Transitions with transition: all: property <mask-position> from [inherit] to [20px 20px] at (-0.25) should be [32.5px 7.5px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Transitions with transition: all: property <mask-position> from [inherit] to [20px 20px] at (0) should be [30px 10px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Transitions with transition: all: property <mask-position> from [inherit] to [20px 20px] at (0.25) should be [27.5px 12.5px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Transitions with transition: all: property <mask-position> from [inherit] to [20px 20px] at (0.5) should be [25px 15px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Transitions with transition: all: property <mask-position> from [inherit] to [20px 20px] at (0.75) should be [22.5px 17.5px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Transitions with transition: all: property <mask-position> from [inherit] to [20px 20px] at (1) should be [20px 20px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Transitions with transition: all: property <mask-position> from [inherit] to [20px 20px] at (1.25) should be [17.5px 22.5px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Animations: property <mask-position> from [inherit] to [20px 20px] at (-0.25) should be [32.5px 7.5px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Animations: property <mask-position> from [inherit] to [20px 20px] at (0) should be [30px 10px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Animations: property <mask-position> from [inherit] to [20px 20px] at (0.25) should be [27.5px 12.5px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Animations: property <mask-position> from [inherit] to [20px 20px] at (0.5) should be [25px 15px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Animations: property <mask-position> from [inherit] to [20px 20px] at (0.75) should be [22.5px 17.5px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Animations: property <mask-position> from [inherit] to [20px 20px] at (1) should be [20px 20px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Animations: property <mask-position> from [inherit] to [20px 20px] at (1.25) should be [17.5px 22.5px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| Web Animations: property <mask-position> from [inherit] to [20px 20px] at (-0.25) should be [32.5px 7.5px] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| Web Animations: property <mask-position> from [inherit] to [20px 20px] at (0) should be [30px 10px] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| Web Animations: property <mask-position> from [inherit] to [20px 20px] at (0.25) should be [27.5px 12.5px] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| Web Animations: property <mask-position> from [inherit] to [20px 20px] at (0.5) should be [25px 15px] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| Web Animations: property <mask-position> from [inherit] to [20px 20px] at (0.75) should be [22.5px 17.5px] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| Web Animations: property <mask-position> from [inherit] to [20px 20px] at (1) should be [20px 20px] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| Web Animations: property <mask-position> from [inherit] to [20px 20px] at (1.25) should be [17.5px 22.5px] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| CSS Transitions: property <mask-position> from [unset] to [20px 20px] at (-0.25) should be [calc(0% - 5px) calc(0% - 5px)] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Transitions: property <mask-position> from [unset] to [20px 20px] at (0) should be [0% 0%] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Transitions: property <mask-position> from [unset] to [20px 20px] at (0.25) should be [calc(0% + 5px) calc(0% + 5px)] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Transitions: property <mask-position> from [unset] to [20px 20px] at (0.5) should be [calc(0% + 10px) calc(0% + 10px)] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Transitions: property <mask-position> from [unset] to [20px 20px] at (0.75) should be [calc(0% + 15px) calc(0% + 15px)] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Transitions: property <mask-position> from [unset] to [20px 20px] at (1) should be [calc(0% + 20px) calc(0% + 20px)] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Transitions: property <mask-position> from [unset] to [20px 20px] at (1.25) should be [calc(0% + 25px) calc(0% + 25px)] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Transitions with transition: all: property <mask-position> from [unset] to [20px 20px] at (-0.25) should be [calc(0% - 5px) calc(0% - 5px)] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Transitions with transition: all: property <mask-position> from [unset] to [20px 20px] at (0) should be [0% 0%] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Transitions with transition: all: property <mask-position> from [unset] to [20px 20px] at (0.25) should be [calc(0% + 5px) calc(0% + 5px)] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Transitions with transition: all: property <mask-position> from [unset] to [20px 20px] at (0.5) should be [calc(0% + 10px) calc(0% + 10px)] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Transitions with transition: all: property <mask-position> from [unset] to [20px 20px] at (0.75) should be [calc(0% + 15px) calc(0% + 15px)] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Transitions with transition: all: property <mask-position> from [unset] to [20px 20px] at (1) should be [calc(0% + 20px) calc(0% + 20px)] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Transitions with transition: all: property <mask-position> from [unset] to [20px 20px] at (1.25) should be [calc(0% + 25px) calc(0% + 25px)] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Animations: property <mask-position> from [unset] to [20px 20px] at (-0.25) should be [calc(0% - 5px) calc(0% - 5px)] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Animations: property <mask-position> from [unset] to [20px 20px] at (0) should be [0% 0%] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Animations: property <mask-position> from [unset] to [20px 20px] at (0.25) should be [calc(0% + 5px) calc(0% + 5px)] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Animations: property <mask-position> from [unset] to [20px 20px] at (0.5) should be [calc(0% + 10px) calc(0% + 10px)] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Animations: property <mask-position> from [unset] to [20px 20px] at (0.75) should be [calc(0% + 15px) calc(0% + 15px)] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Animations: property <mask-position> from [unset] to [20px 20px] at (1) should be [calc(0% + 20px) calc(0% + 20px)] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Animations: property <mask-position> from [unset] to [20px 20px] at (1.25) should be [calc(0% + 25px) calc(0% + 25px)] | PASS | PASS | PASS | PASS | FAIL | PASS |
| Web Animations: property <mask-position> from [unset] to [20px 20px] at (-0.25) should be [calc(0% - 5px) calc(0% - 5px)] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| Web Animations: property <mask-position> from [unset] to [20px 20px] at (0) should be [0% 0%] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| Web Animations: property <mask-position> from [unset] to [20px 20px] at (0.25) should be [calc(0% + 5px) calc(0% + 5px)] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| Web Animations: property <mask-position> from [unset] to [20px 20px] at (0.5) should be [calc(0% + 10px) calc(0% + 10px)] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| Web Animations: property <mask-position> from [unset] to [20px 20px] at (0.75) should be [calc(0% + 15px) calc(0% + 15px)] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| Web Animations: property <mask-position> from [unset] to [20px 20px] at (1) should be [calc(0% + 20px) calc(0% + 20px)] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| Web Animations: property <mask-position> from [unset] to [20px 20px] at (1.25) should be [calc(0% + 25px) calc(0% + 25px)] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| CSS Transitions: property <mask-position> from [0px 0px, 0px 0px, 0px 0px, 0px 0px] to [80px 80px, 80px 80px, 80px 80px, 80px 80px] at (-0.25) should be [-20px -20px, -20px -20px, -20px -20px, -20px -20px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Transitions: property <mask-position> from [0px 0px, 0px 0px, 0px 0px, 0px 0px] to [80px 80px, 80px 80px, 80px 80px, 80px 80px] at (0) should be [ 0px 0px, 0px 0px, 0px 0px, 0px 0px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Transitions: property <mask-position> from [0px 0px, 0px 0px, 0px 0px, 0px 0px] to [80px 80px, 80px 80px, 80px 80px, 80px 80px] at (0.25) should be [ 20px 20px, 20px 20px, 20px 20px, 20px 20px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Transitions: property <mask-position> from [0px 0px, 0px 0px, 0px 0px, 0px 0px] to [80px 80px, 80px 80px, 80px 80px, 80px 80px] at (0.5) should be [ 40px 40px, 40px 40px, 40px 40px, 40px 40px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Transitions: property <mask-position> from [0px 0px, 0px 0px, 0px 0px, 0px 0px] to [80px 80px, 80px 80px, 80px 80px, 80px 80px] at (0.75) should be [ 60px 60px, 60px 60px, 60px 60px, 60px 60px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Transitions: property <mask-position> from [0px 0px, 0px 0px, 0px 0px, 0px 0px] to [80px 80px, 80px 80px, 80px 80px, 80px 80px] at (1) should be [ 80px 80px, 80px 80px, 80px 80px, 80px 80px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Transitions: property <mask-position> from [0px 0px, 0px 0px, 0px 0px, 0px 0px] to [80px 80px, 80px 80px, 80px 80px, 80px 80px] at (1.25) should be [100px 100px, 100px 100px, 100px 100px, 100px 100px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Transitions with transition: all: property <mask-position> from [0px 0px, 0px 0px, 0px 0px, 0px 0px] to [80px 80px, 80px 80px, 80px 80px, 80px 80px] at (-0.25) should be [-20px -20px, -20px -20px, -20px -20px, -20px -20px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Transitions with transition: all: property <mask-position> from [0px 0px, 0px 0px, 0px 0px, 0px 0px] to [80px 80px, 80px 80px, 80px 80px, 80px 80px] at (0) should be [ 0px 0px, 0px 0px, 0px 0px, 0px 0px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Transitions with transition: all: property <mask-position> from [0px 0px, 0px 0px, 0px 0px, 0px 0px] to [80px 80px, 80px 80px, 80px 80px, 80px 80px] at (0.25) should be [ 20px 20px, 20px 20px, 20px 20px, 20px 20px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Transitions with transition: all: property <mask-position> from [0px 0px, 0px 0px, 0px 0px, 0px 0px] to [80px 80px, 80px 80px, 80px 80px, 80px 80px] at (0.5) should be [ 40px 40px, 40px 40px, 40px 40px, 40px 40px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Transitions with transition: all: property <mask-position> from [0px 0px, 0px 0px, 0px 0px, 0px 0px] to [80px 80px, 80px 80px, 80px 80px, 80px 80px] at (0.75) should be [ 60px 60px, 60px 60px, 60px 60px, 60px 60px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Transitions with transition: all: property <mask-position> from [0px 0px, 0px 0px, 0px 0px, 0px 0px] to [80px 80px, 80px 80px, 80px 80px, 80px 80px] at (1) should be [ 80px 80px, 80px 80px, 80px 80px, 80px 80px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Transitions with transition: all: property <mask-position> from [0px 0px, 0px 0px, 0px 0px, 0px 0px] to [80px 80px, 80px 80px, 80px 80px, 80px 80px] at (1.25) should be [100px 100px, 100px 100px, 100px 100px, 100px 100px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Animations: property <mask-position> from [0px 0px, 0px 0px, 0px 0px, 0px 0px] to [80px 80px, 80px 80px, 80px 80px, 80px 80px] at (-0.25) should be [-20px -20px, -20px -20px, -20px -20px, -20px -20px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Animations: property <mask-position> from [0px 0px, 0px 0px, 0px 0px, 0px 0px] to [80px 80px, 80px 80px, 80px 80px, 80px 80px] at (0) should be [ 0px 0px, 0px 0px, 0px 0px, 0px 0px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Animations: property <mask-position> from [0px 0px, 0px 0px, 0px 0px, 0px 0px] to [80px 80px, 80px 80px, 80px 80px, 80px 80px] at (0.25) should be [ 20px 20px, 20px 20px, 20px 20px, 20px 20px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Animations: property <mask-position> from [0px 0px, 0px 0px, 0px 0px, 0px 0px] to [80px 80px, 80px 80px, 80px 80px, 80px 80px] at (0.5) should be [ 40px 40px, 40px 40px, 40px 40px, 40px 40px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Animations: property <mask-position> from [0px 0px, 0px 0px, 0px 0px, 0px 0px] to [80px 80px, 80px 80px, 80px 80px, 80px 80px] at (0.75) should be [ 60px 60px, 60px 60px, 60px 60px, 60px 60px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Animations: property <mask-position> from [0px 0px, 0px 0px, 0px 0px, 0px 0px] to [80px 80px, 80px 80px, 80px 80px, 80px 80px] at (1) should be [ 80px 80px, 80px 80px, 80px 80px, 80px 80px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Animations: property <mask-position> from [0px 0px, 0px 0px, 0px 0px, 0px 0px] to [80px 80px, 80px 80px, 80px 80px, 80px 80px] at (1.25) should be [100px 100px, 100px 100px, 100px 100px, 100px 100px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| Web Animations: property <mask-position> from [0px 0px, 0px 0px, 0px 0px, 0px 0px] to [80px 80px, 80px 80px, 80px 80px, 80px 80px] at (-0.25) should be [-20px -20px, -20px -20px, -20px -20px, -20px -20px] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| Web Animations: property <mask-position> from [0px 0px, 0px 0px, 0px 0px, 0px 0px] to [80px 80px, 80px 80px, 80px 80px, 80px 80px] at (0) should be [ 0px 0px, 0px 0px, 0px 0px, 0px 0px] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| Web Animations: property <mask-position> from [0px 0px, 0px 0px, 0px 0px, 0px 0px] to [80px 80px, 80px 80px, 80px 80px, 80px 80px] at (0.25) should be [ 20px 20px, 20px 20px, 20px 20px, 20px 20px] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| Web Animations: property <mask-position> from [0px 0px, 0px 0px, 0px 0px, 0px 0px] to [80px 80px, 80px 80px, 80px 80px, 80px 80px] at (0.5) should be [ 40px 40px, 40px 40px, 40px 40px, 40px 40px] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| Web Animations: property <mask-position> from [0px 0px, 0px 0px, 0px 0px, 0px 0px] to [80px 80px, 80px 80px, 80px 80px, 80px 80px] at (0.75) should be [ 60px 60px, 60px 60px, 60px 60px, 60px 60px] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| Web Animations: property <mask-position> from [0px 0px, 0px 0px, 0px 0px, 0px 0px] to [80px 80px, 80px 80px, 80px 80px, 80px 80px] at (1) should be [ 80px 80px, 80px 80px, 80px 80px, 80px 80px] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| Web Animations: property <mask-position> from [0px 0px, 0px 0px, 0px 0px, 0px 0px] to [80px 80px, 80px 80px, 80px 80px, 80px 80px] at (1.25) should be [100px 100px, 100px 100px, 100px 100px, 100px 100px] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| CSS Transitions: property <mask-position> from [top 0px left 0px] to [left 80px top 80px] at (-0.25) should be [-20px -20px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Transitions: property <mask-position> from [top 0px left 0px] to [left 80px top 80px] at (0) should be [ 0px 0px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Transitions: property <mask-position> from [top 0px left 0px] to [left 80px top 80px] at (0.25) should be [ 20px 20px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Transitions: property <mask-position> from [top 0px left 0px] to [left 80px top 80px] at (0.5) should be [ 40px 40px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Transitions: property <mask-position> from [top 0px left 0px] to [left 80px top 80px] at (0.75) should be [ 60px 60px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Transitions: property <mask-position> from [top 0px left 0px] to [left 80px top 80px] at (1) should be [ 80px 80px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Transitions: property <mask-position> from [top 0px left 0px] to [left 80px top 80px] at (1.25) should be [100px 100px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Transitions with transition: all: property <mask-position> from [top 0px left 0px] to [left 80px top 80px] at (-0.25) should be [-20px -20px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Transitions with transition: all: property <mask-position> from [top 0px left 0px] to [left 80px top 80px] at (0) should be [ 0px 0px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Transitions with transition: all: property <mask-position> from [top 0px left 0px] to [left 80px top 80px] at (0.25) should be [ 20px 20px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Transitions with transition: all: property <mask-position> from [top 0px left 0px] to [left 80px top 80px] at (0.5) should be [ 40px 40px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Transitions with transition: all: property <mask-position> from [top 0px left 0px] to [left 80px top 80px] at (0.75) should be [ 60px 60px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Transitions with transition: all: property <mask-position> from [top 0px left 0px] to [left 80px top 80px] at (1) should be [ 80px 80px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Transitions with transition: all: property <mask-position> from [top 0px left 0px] to [left 80px top 80px] at (1.25) should be [100px 100px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Animations: property <mask-position> from [top 0px left 0px] to [left 80px top 80px] at (-0.25) should be [-20px -20px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Animations: property <mask-position> from [top 0px left 0px] to [left 80px top 80px] at (0) should be [ 0px 0px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Animations: property <mask-position> from [top 0px left 0px] to [left 80px top 80px] at (0.25) should be [ 20px 20px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Animations: property <mask-position> from [top 0px left 0px] to [left 80px top 80px] at (0.5) should be [ 40px 40px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Animations: property <mask-position> from [top 0px left 0px] to [left 80px top 80px] at (0.75) should be [ 60px 60px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Animations: property <mask-position> from [top 0px left 0px] to [left 80px top 80px] at (1) should be [ 80px 80px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Animations: property <mask-position> from [top 0px left 0px] to [left 80px top 80px] at (1.25) should be [100px 100px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| Web Animations: property <mask-position> from [top 0px left 0px] to [left 80px top 80px] at (-0.25) should be [-20px -20px] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| Web Animations: property <mask-position> from [top 0px left 0px] to [left 80px top 80px] at (0) should be [ 0px 0px] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| Web Animations: property <mask-position> from [top 0px left 0px] to [left 80px top 80px] at (0.25) should be [ 20px 20px] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| Web Animations: property <mask-position> from [top 0px left 0px] to [left 80px top 80px] at (0.5) should be [ 40px 40px] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| Web Animations: property <mask-position> from [top 0px left 0px] to [left 80px top 80px] at (0.75) should be [ 60px 60px] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| Web Animations: property <mask-position> from [top 0px left 0px] to [left 80px top 80px] at (1) should be [ 80px 80px] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| Web Animations: property <mask-position> from [top 0px left 0px] to [left 80px top 80px] at (1.25) should be [100px 100px] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| CSS Transitions: property <mask-position> from [0px 0px, 80px 0px] to [40px 40px, 80px 80px, 0px 80px] at (-0.25) should be [-10px -10px, 80px -20px, 0px -20px, 90px -10px, -20px -20px, 100px -20px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Transitions: property <mask-position> from [0px 0px, 80px 0px] to [40px 40px, 80px 80px, 0px 80px] at (0) should be [ 0px 0px, 80px 0px, 0px 0px, 80px 0px, 0px 0px, 80px 0px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Transitions: property <mask-position> from [0px 0px, 80px 0px] to [40px 40px, 80px 80px, 0px 80px] at (0.25) should be [ 10px 10px, 80px 20px, 0px 20px, 70px 10px, 20px 20px, 60px 20px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Transitions: property <mask-position> from [0px 0px, 80px 0px] to [40px 40px, 80px 80px, 0px 80px] at (0.5) should be [ 20px 20px, 80px 40px, 0px 40px, 60px 20px, 40px 40px, 40px 40px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Transitions: property <mask-position> from [0px 0px, 80px 0px] to [40px 40px, 80px 80px, 0px 80px] at (0.75) should be [ 30px 30px, 80px 60px, 0px 60px, 50px 30px, 60px 60px, 20px 60px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Transitions: property <mask-position> from [0px 0px, 80px 0px] to [40px 40px, 80px 80px, 0px 80px] at (1) should be [ 40px 40px, 80px 80px, 0px 80px, 40px 40px, 80px 80px, 0px 80px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Transitions: property <mask-position> from [0px 0px, 80px 0px] to [40px 40px, 80px 80px, 0px 80px] at (1.25) should be [ 50px 50px, 80px 100px, 0px 100px, 30px 50px, 100px 100px, -20px 100px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Transitions with transition: all: property <mask-position> from [0px 0px, 80px 0px] to [40px 40px, 80px 80px, 0px 80px] at (-0.25) should be [-10px -10px, 80px -20px, 0px -20px, 90px -10px, -20px -20px, 100px -20px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Transitions with transition: all: property <mask-position> from [0px 0px, 80px 0px] to [40px 40px, 80px 80px, 0px 80px] at (0) should be [ 0px 0px, 80px 0px, 0px 0px, 80px 0px, 0px 0px, 80px 0px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Transitions with transition: all: property <mask-position> from [0px 0px, 80px 0px] to [40px 40px, 80px 80px, 0px 80px] at (0.25) should be [ 10px 10px, 80px 20px, 0px 20px, 70px 10px, 20px 20px, 60px 20px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Transitions with transition: all: property <mask-position> from [0px 0px, 80px 0px] to [40px 40px, 80px 80px, 0px 80px] at (0.5) should be [ 20px 20px, 80px 40px, 0px 40px, 60px 20px, 40px 40px, 40px 40px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Transitions with transition: all: property <mask-position> from [0px 0px, 80px 0px] to [40px 40px, 80px 80px, 0px 80px] at (0.75) should be [ 30px 30px, 80px 60px, 0px 60px, 50px 30px, 60px 60px, 20px 60px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Transitions with transition: all: property <mask-position> from [0px 0px, 80px 0px] to [40px 40px, 80px 80px, 0px 80px] at (1) should be [ 40px 40px, 80px 80px, 0px 80px, 40px 40px, 80px 80px, 0px 80px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Transitions with transition: all: property <mask-position> from [0px 0px, 80px 0px] to [40px 40px, 80px 80px, 0px 80px] at (1.25) should be [ 50px 50px, 80px 100px, 0px 100px, 30px 50px, 100px 100px, -20px 100px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Animations: property <mask-position> from [0px 0px, 80px 0px] to [40px 40px, 80px 80px, 0px 80px] at (-0.25) should be [-10px -10px, 80px -20px, 0px -20px, 90px -10px, -20px -20px, 100px -20px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Animations: property <mask-position> from [0px 0px, 80px 0px] to [40px 40px, 80px 80px, 0px 80px] at (0) should be [ 0px 0px, 80px 0px, 0px 0px, 80px 0px, 0px 0px, 80px 0px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Animations: property <mask-position> from [0px 0px, 80px 0px] to [40px 40px, 80px 80px, 0px 80px] at (0.25) should be [ 10px 10px, 80px 20px, 0px 20px, 70px 10px, 20px 20px, 60px 20px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Animations: property <mask-position> from [0px 0px, 80px 0px] to [40px 40px, 80px 80px, 0px 80px] at (0.5) should be [ 20px 20px, 80px 40px, 0px 40px, 60px 20px, 40px 40px, 40px 40px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Animations: property <mask-position> from [0px 0px, 80px 0px] to [40px 40px, 80px 80px, 0px 80px] at (0.75) should be [ 30px 30px, 80px 60px, 0px 60px, 50px 30px, 60px 60px, 20px 60px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Animations: property <mask-position> from [0px 0px, 80px 0px] to [40px 40px, 80px 80px, 0px 80px] at (1) should be [ 40px 40px, 80px 80px, 0px 80px, 40px 40px, 80px 80px, 0px 80px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| CSS Animations: property <mask-position> from [0px 0px, 80px 0px] to [40px 40px, 80px 80px, 0px 80px] at (1.25) should be [ 50px 50px, 80px 100px, 0px 100px, 30px 50px, 100px 100px, -20px 100px] | PASS | PASS | PASS | PASS | FAIL | PASS |
| Web Animations: property <mask-position> from [0px 0px, 80px 0px] to [40px 40px, 80px 80px, 0px 80px] at (-0.25) should be [-10px -10px, 80px -20px, 0px -20px, 90px -10px, -20px -20px, 100px -20px] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| Web Animations: property <mask-position> from [0px 0px, 80px 0px] to [40px 40px, 80px 80px, 0px 80px] at (0) should be [ 0px 0px, 80px 0px, 0px 0px, 80px 0px, 0px 0px, 80px 0px] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| Web Animations: property <mask-position> from [0px 0px, 80px 0px] to [40px 40px, 80px 80px, 0px 80px] at (0.25) should be [ 10px 10px, 80px 20px, 0px 20px, 70px 10px, 20px 20px, 60px 20px] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| Web Animations: property <mask-position> from [0px 0px, 80px 0px] to [40px 40px, 80px 80px, 0px 80px] at (0.5) should be [ 20px 20px, 80px 40px, 0px 40px, 60px 20px, 40px 40px, 40px 40px] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| Web Animations: property <mask-position> from [0px 0px, 80px 0px] to [40px 40px, 80px 80px, 0px 80px] at (0.75) should be [ 30px 30px, 80px 60px, 0px 60px, 50px 30px, 60px 60px, 20px 60px] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| Web Animations: property <mask-position> from [0px 0px, 80px 0px] to [40px 40px, 80px 80px, 0px 80px] at (1) should be [ 40px 40px, 80px 80px, 0px 80px, 40px 40px, 80px 80px, 0px 80px] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| Web Animations: property <mask-position> from [0px 0px, 80px 0px] to [40px 40px, 80px 80px, 0px 80px] at (1.25) should be [ 50px 50px, 80px 100px, 0px 100px, 30px 50px, 100px 100px, -20px 100px] | PASS | PASS | PASS | PASS | FAIL | FAIL |